<template>
    <div class="fullscreen">
        <i
            :class="['iconfont', isFullscreen ? 'icon-suoxiao' : 'icon-fangda']"
            class="toolBar-icon"
            @click="handleFullScreen"
        ></i>
    </div>
</template>

<script setup>
import { onMounted, ref } from "vue"
import { ElMessage } from "element-plus"
import screenfull from "screenfull"

const isFullscreen = ref(screenfull.isFullscreen)

onMounted(() => {
    screenfull.on("change", () => {
        if (screenfull.isFullscreen) isFullscreen.value = true
        else isFullscreen.value = false
    })
})

const handleFullScreen = () => {
    if (!screenfull.isEnabled) ElMessage.warning("当前您的浏览器不支持全屏 ❌")
    screenfull.toggle()
};
</script>
